Operational forecasting of a snowfall event over the Greater Athens Area

A case of an intense snowfall in the Greater Athens Area (GAA) between 16 and 18 February 2008 is investigated. The physical processes that forced the snowfall event are identified and analysed. The main factor causing the event at its start was the entrainment of arctic air masses from North-Easter...

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Main Authors: P. Louka, D. Boucouvala, F. Gofa, M. Balami, D. Ziakopoulos
Format: Article
Language:English
Published: Copernicus Publications 2010-03-01
Series:Advances in Geosciences
Online Access:http://www.adv-geosci.net/23/25/2010/adgeo-23-25-2010.pdf
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author P. Louka
D. Boucouvala
F. Gofa
M. Balami
D. Ziakopoulos
author_facet P. Louka
D. Boucouvala
F. Gofa
M. Balami
D. Ziakopoulos
author_sort P. Louka
collection DOAJ
description A case of an intense snowfall in the Greater Athens Area (GAA) between 16 and 18 February 2008 is investigated. The physical processes that forced the snowfall event are identified and analysed. The main factor causing the event at its start was the entrainment of arctic air masses from North-Eastern Europe. At a second stage, the Aegean Sea acted as the Great Lakes of Canada and North-East USA and in association with the existing extremely cold air masses aloft and the enrichment of the air with humidity and heat led to the enhancement of the snowfall in the GAA. In the final stage of the event, the local meteorological conditions associated with the topography of the area resulted in the occurrence of very intense snowfall event on the leeward side of the GAA. The available operational observations and forecast tools were used for accurately predicting the intensity, duration and evolution of the event.
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spelling doaj.art-f5d52992f5d84092a167acfbc87990782022-12-21T20:11:05ZengCopernicus PublicationsAdvances in Geosciences1680-73401680-73592010-03-0123253010.5194/adgeo-23-25-2010Operational forecasting of a snowfall event over the Greater Athens AreaP. Louka0D. Boucouvala1F. Gofa2M. Balami3D. Ziakopoulos4Hellenic National Meteorological Service, El. Venizelou 14, Hellinikon, 16777, GreeceHellenic National Meteorological Service, El. Venizelou 14, Hellinikon, 16777, GreeceHellenic National Meteorological Service, El. Venizelou 14, Hellinikon, 16777, GreeceHellenic National Meteorological Service, El. Venizelou 14, Hellinikon, 16777, GreeceHellenic National Meteorological Service, El. Venizelou 14, Hellinikon, 16777, GreeceA case of an intense snowfall in the Greater Athens Area (GAA) between 16 and 18 February 2008 is investigated. The physical processes that forced the snowfall event are identified and analysed. The main factor causing the event at its start was the entrainment of arctic air masses from North-Eastern Europe. At a second stage, the Aegean Sea acted as the Great Lakes of Canada and North-East USA and in association with the existing extremely cold air masses aloft and the enrichment of the air with humidity and heat led to the enhancement of the snowfall in the GAA. In the final stage of the event, the local meteorological conditions associated with the topography of the area resulted in the occurrence of very intense snowfall event on the leeward side of the GAA. The available operational observations and forecast tools were used for accurately predicting the intensity, duration and evolution of the event.http://www.adv-geosci.net/23/25/2010/adgeo-23-25-2010.pdf
spellingShingle P. Louka
D. Boucouvala
F. Gofa
M. Balami
D. Ziakopoulos
Operational forecasting of a snowfall event over the Greater Athens Area
Advances in Geosciences
title Operational forecasting of a snowfall event over the Greater Athens Area
title_full Operational forecasting of a snowfall event over the Greater Athens Area
title_fullStr Operational forecasting of a snowfall event over the Greater Athens Area
title_full_unstemmed Operational forecasting of a snowfall event over the Greater Athens Area
title_short Operational forecasting of a snowfall event over the Greater Athens Area
title_sort operational forecasting of a snowfall event over the greater athens area
url http://www.adv-geosci.net/23/25/2010/adgeo-23-25-2010.pdf
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